27. Notwithstanding anything elsewhere contained in this Constitution, Parliament shall have, and the Legislature of a State for the time being specified in Part I or Part III of the First Schedule shall not have, power to make laws-
(a) With respect to any of the matters which under this Part are required to be provided for by legislation by Parliament, and
(b) For prescribing punishment for those acts which are declared to be offences under this Part; and Parliament shall, as soon as may be after the commencement of thisConstitution, make laws to provide for such matters and for prescribing punishment for such acts:
Provided that any law in force in the territory of India or in any part thereof with respect to any of the matters referred to in clause (a) of this article or providing for punishment for any act which is declared to be an offence under this Part shall continue in force therein until altered or repealed or amended by Parliament or other competent authority.